feat: Ability to improve drafts in the editor using GPT integration (#6957)

ref: https://github.com/chatwoot/chatwoot/issues/6436
fixes: https://linear.app/chatwoot/issue/CW-1552/ability-to-rephrase-text-in-the-editor-using-gpt-integration

---------

Co-authored-by: Sojan <sojan@pepalo.com>
Co-authored-by: Nithin David Thomas <1277421+nithindavid@users.noreply.github.com>

spec/controllers/api/v1/accounts/integrations/hooks_controller_spec.rb

@@ -77,6 +77,33 @@ RSpec.describe 'Integration Hooks API', type: :request do
     end
   end
 
+  describe 'POST /api/v1/accounts/{account.id}/integrations/hooks/{hook_id}/process_event' do
+    let(:hook) { create(:integrations_hook, account: account) }
+    let(:params) { { event: 'rephrase', payload: { test: 'test' } } }
+
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        post process_event_api_v1_account_integrations_hook_url(account_id: account.id, id: hook.id),
+             params: params,
+             as: :json
+
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      it 'will process the events' do
+        post process_event_api_v1_account_integrations_hook_url(account_id: account.id, id: hook.id),
+             params: params,
+             headers: agent.create_new_auth_token,
+             as: :json
+
+        expect(response).to have_http_status(:success)
+        expect(response.parsed_body['message']).to eq('No processor found')
+      end
+    end
+  end
+
   describe 'DELETE /api/v1/accounts/{account.id}/integrations/hooks/{hook_id}' do
     let(:hook) { create(:integrations_hook, account: account) }